The invention belongs to the technical field of medicine, and particularly relates to indolinone derivatives of general formula (I), deuterium of the derivatives, pharmaceutically acceptable salts of the derivatives or stereoisomer of the derivatives, wherein the indolinone derivatives serve as tyrosine kinase inhibitors, and R1, R2, R3, R4, R5, R6, R7, R8, R9, n, X and cycle A are defined as in the description. The invention further relates to preparation methods of the compounds, a pharmaceutical preparation comprising the compounds, and applications of the compounds, wherein the applications of the compounds include prevention or treatment of fibrosis diseases, treatment of excessive hyperplasia diseases, especially breast cancer, colorectal cancer and non-small cell lung cancer, anti-angiogenesis and/or reduction of vascular permeability.